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Aves - Neognathae - Accipitriformes - Accipitridae - Circus - Circus cyaneus

Furcula (Wishbone) of a Circus cyaneus (Hen Harrier)


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Species Description
The Hen Harrier (Circus cyaneus) breeds in the Northern Hemisphere in parts of Canada and Northern Eurasia. Hen Harriers can grow from one and a half to two feet long with up to a four foot wingspan. Hen Harriers exhibit sexual dimorphism, as the females are one and a half times larger than the males. Hen Harriers inhabit open terrains such as moorland, bogs, and farmland; in their habitats, Hen Harriers stealthily hunt small animals and birds. When trees are planted, Hen Harriers lose a lot of their habitat and are forced out of locations where forestry is prevalent. Four to six white eggs are laid when breeding, and Hen Harriers cover a large area with about 1.3 million birds covering 1-20 million square kilometers. Even with their diverse population, illegal hunting causes regional threats of extinction.
Skeletal Elements Available

Mandible (Jawbone )

Left Humerus (Left Upper Arm Bone)

Right Humerus (Right Upper Arm Bone)

Furcula (Wishbone)

Sternum (Breast Bone)

Right Tarsometatarsus (Right Fused Element Consisting of Ankle and Middle Foot Bones)

Left Tarsometatarsus (Left Fused Element Consisting of Ankle and Middle Foot Bones)

Left Tibiotarsus and Fibula (Left Middle Leg Bones)

Right Tibiotarsus and Fibula (Right Middle Leg Bones)

Right Carpometacarpus (fused wrist and hand bones (right))

Left Femur (Left Upper Leg Bone)

Right Femur (Right Femur)

Left Ulna (Lower Arm Bone )
External Links
Encyclopedia of Life
Wikipedia

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